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Finding the Fourth Proportional to 238,081.62, 328,561 and 130,652.53

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Solution

The fourth proportional to 238,081.62, 328,561 and 130,652.53 is: 180,305.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,081.62 : 328,561 = 130,652.53 : x
  2. Step 2: Convert to fraction form
    238,081.62/328,561 = 130,652.53/x
  3. Step 3: Cross multiply
    238,081.62x = 328,561 × 130,652.53
  4. Step 4: Simplify right side
    238,081.62x = 42,927,325,909.33
  5. Step 5: Solve for x
    x = 42,927,325,909.33/238,081.62
  6. Step 6: Final answer
    x = 180,305.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.